NOTE: I don’t own any of the logos, they are copyrighted products of different owners.

Mod tested on v1.24.x
New companies has similar or identical activities as companies in the base game.
Guide on http://truck-simulator.wikia.com/wiki/Euro_Truck_Simulator_2_Companies
More screenshots on http://steamcommunity.com/sharedfiles/filedetails/?id=715807842